"First of all, this Belgian sports minister has broken every ethical rule in the book by naming a player without any proof of wrongdoing, without any basic evidence," Tarpishchev said.

"We all know the basic principle in doping cases. If there is a positive sample, then they should notify the International Tennis Federation (ITF) as well as the national federation within three days," he said.

"This is not the case here. As of today we have not received any statement from the doping officials, nor did the ITF.

"Today I called the ITF headquarters and they told me they know nothing about it.

"If WADA (the World Anti-Doping Agency) was behind the testing, then we would also have known something by now.

"Otherwise, all these looks to me as pure fiction and fabrication of the facts."